Ultra-violet curable gellant inks for creating tactile text and images for packaging applications

摘要

Provides is a method for forming tactile images or a combination of tactile and regular images on a flexible packaging substrate comprising:
depositing an ultraviolet curable phase change ink composition comprising an optional colorant and a phase change ink vehicle comprising a radiation curable monomer or prepolymer; a photoinitiator; a reactive wax; and a gellant directly onto a flexible packaging substrate or depositing the ink onto an intermediate transfer member, in an image area to form a tactile image area or a combination of tactile image area and regular image;
forming the tactile image by depositing multiple layers of the ink in locations of the tactile image area or portion thereof;
when an intermediate transfer member is used, transferring the deposited ink from the intermediate transfer member to the flexible packaging substrate; and
curing the ink.